She ___ swim very well because she practises every day. Choose the correct modal.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)can
💡 Explicación
Ability in the present is expressed with can plus the bare infinitive: she can swim. Must, should and may do not describe ability.
Ver respuesta
Respuesta correcta: A)can
A)canCan expresses ability, and swimming well is the ability this sentence describes.
B)mustMust expresses obligation or strong necessity, not the ability to swim.
C)shouldShould gives advice or a recommendation, not the physical ability to swim.
D)mayMay expresses possibility or permission, not the ability to swim well.
💡 Explicación
Ability in the present is expressed with can plus the bare infinitive: she can swim. Must, should and may do not describe ability.
Pregunta 2
Pregunta 2 · D3Bloom: Remember
When he was five, he already knew how to read.
When he was five, he ___ read simple books. Choose the correct modal.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)could
💡 Explicación
Past ability uses could plus the bare infinitive: he could read. Can is present, so it clashes with the past time marker.
Ver respuesta
Respuesta correcta: B)could
A)canCan is present, but the sentence places the ability at age five.
B)couldCould is the past form of can and reports a general ability in the past.
C)mustMust expresses obligation and does not fit a past ability.
D)shouldShould gives advice and cannot report what he was able to do.
💡 Explicación
Past ability uses could plus the bare infinitive: he could read. Can is present, so it clashes with the past time marker.
Pregunta 3
Pregunta 3 · D4Bloom: Understand
A student asks the teacher politely for permission to open the window.
___ I open the window, please? Choose the correct modal.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)May
💡 Explicación
May I plus the infinitive is the polite formula for requesting permission. Must, should and would do not ask permission in this context.
Ver respuesta
Respuesta correcta: C)May
A)MustMust asks about obligation, not about permission to open a window.
B)ShouldShould asks for advice and does not request permission.
C)MayMay asks for permission politely, which is exactly what the student wants.
D)WouldWould is used for offers and hypotheticals, not for asking permission here.
💡 Explicación
May I plus the infinitive is the polite formula for requesting permission. Must, should and would do not ask permission in this context.
Pregunta 4
Pregunta 4 · D4Bloom: Understand
The law requires drivers to stop at a red light.
Drivers ___ stop at a red light. Choose the correct modal.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)must
💡 Explicación
A legal requirement is a strong obligation, so must is correct. Can, might and could describe ability or possibility, not duty.
Ver respuesta
Respuesta correcta: D)must
A)canCan expresses ability or permission, not a legal requirement.
B)mightMight expresses a weak possibility, not an obligation.
C)couldCould expresses past ability or possibility, not a rule.
D)mustMust expresses a strong obligation, and the law makes the stop obligatory.
💡 Explicación
A legal requirement is a strong obligation, so must is correct. Can, might and could describe ability or possibility, not duty.
Pregunta 5
Pregunta 5 · D3Bloom: Remember
Her office starts at eight, so she needs to arrive early.
She ___ arrive at the office before eight. Choose the correct form.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)has to
💡 Explicación
External obligation in the third person singular is has to plus the infinitive: she has to arrive. Must and should take no to.
Ver respuesta
Respuesta correcta: A)has to
A)has toHas to agrees with the third person singular she and expresses the external obligation.
B)must toMust to is wrong because must never takes to before the infinitive.
C)have toHave to is plural and does not agree with the singular subject she.
D)should toShould to is wrong because should never takes to before the infinitive.
💡 Explicación
External obligation in the third person singular is has to plus the infinitive: she has to arrive. Must and should take no to.
Pregunta 6
Pregunta 6 · D4Bloom: Understand
It is not necessary to pay, but you may if you wish.
You ___ pay; the entrance is free. Choose the correct form.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)don't have to
💡 Explicación
Absence of obligation is don't have to. Mustn't forbids the action, while here paying is permitted but not required.
Ver respuesta
Respuesta correcta: B)don't have to
A)mustn'tMustn't means prohibition, but paying is allowed, only unnecessary.
B)don't have toDon't have to means there is no obligation, which matches the free entrance.
C)shouldn'tShouldn't gives advice against paying, which is stronger than the idea of free entry.
D)can'tCan't means it is impossible or not permitted, not merely unnecessary.
💡 Explicación
Absence of obligation is don't have to. Mustn't forbids the action, while here paying is permitted but not required.
Pregunta 7
Pregunta 7 · D3Bloom: Remember
Your friend feels tired and has an important exam tomorrow.
You ___ go to bed early tonight. Choose the correct modal.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)should
💡 Explicación
Advice is normally given with should plus the bare infinitive. Must is stronger and states an obligation rather than a suggestion.
Ver respuesta
Respuesta correcta: C)should
A)mustMust states a strong obligation, too forceful for a piece of advice.
B)mayMay expresses permission or possibility, not a recommendation.
C)shouldShould gives advice or a recommendation, which fits the friendly suggestion.
D)canCan expresses ability or permission, not advice about sleeping.
💡 Explicación
Advice is normally given with should plus the bare infinitive. Must is stronger and states an obligation rather than a suggestion.
Pregunta 8
Pregunta 8 · D4Bloom: Understand
You want your colleague to pass you a document politely.
___ you pass me the document, please? Choose the correct modal.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)Could
💡 Explicación
Could you plus the infinitive is a polite request. May asks permission and must states obligation, so neither fits asking a favour.
Ver respuesta
Respuesta correcta: D)Could
A)MustMust asks about obligation and sounds like an order, not a request.
B)MayMay asks for permission and cannot ask someone to pass a document.
C)ShouldShould asks for advice and does not work as a polite request here.
D)CouldCould makes the request polite and tentative, which suits a colleague.
💡 Explicación
Could you plus the infinitive is a polite request. May asks permission and must states obligation, so neither fits asking a favour.
Pregunta 9
Pregunta 9 · D3Bloom: Remember
The sky is grey, so rain is possible later.
It ___ rain this afternoon, so take an umbrella. Choose the correct modal.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)may
💡 Explicación
A possible future event is expressed with may plus the bare infinitive: it may rain. Must would state certainty, which the evidence does not support.
Ver respuesta
Respuesta correcta: A)may
A)mayMay expresses possibility, and a grey sky makes rain possible but not certain.
B)mustMust expresses certainty or obligation, but the rain is only possible.
C)shouldShould expresses advice or expectation, not a simple possibility.
D)canCan expresses ability or general possibility, not a specific forecast.
💡 Explicación
A possible future event is expressed with may plus the bare infinitive: it may rain. Must would state certainty, which the evidence does not support.
Pregunta 10
Pregunta 10 · D4Bloom: Understand
A museum rule forbids visitors to touch the paintings.
Visitors ___ touch the paintings. Choose the correct modal.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)mustn't
💡 Explicación
A ban is expressed with mustn't. Don't have to would mean touching is optional, and might not and couldn't do not forbid anything.
Ver respuesta
Respuesta correcta: B)mustn't
A)don't have toDon't have to means it is unnecessary, but here touching is not allowed.
B)mustn'tMustn't expresses prohibition, and the museum rule forbids touching.
C)might notMight not expresses a possibility that something will not happen, not a ban.
D)couldn'tCouldn't reports past inability, which does not match a present rule.
💡 Explicación
A ban is expressed with mustn't. Don't have to would mean touching is optional, and might not and couldn't do not forbid anything.
Pregunta 11
Pregunta 11 · D4Bloom: Apply
After the course, you will have the skill to drive.
After the course, you ___ drive a car. Choose the correct form.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)will be able to
💡 Explicación
For future ability, English uses will be able to because can has no future form of its own. Will can is never grammatical.
Ver respuesta
Respuesta correcta: C)will be able to
A)will canWill can is wrong because can never follows will directly.
B)canCan is present ability and cannot follow the future marker will.
C)will be able toWill be able to expresses ability in the future, which can does not cover.
D)couldCould is past ability or a hypothetical, not a future skill.
💡 Explicación
For future ability, English uses will be able to because can has no future form of its own. Will can is never grammatical.
Pregunta 12
Pregunta 12 · D4Bloom: Apply
Last week the team worked late because of a deadline.
Last week we ___ work late to finish the project. Choose the correct form.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)had to
💡 Explicación
Past obligation is reported with had to. Must lacks a past form, and have to is present, so neither fits last week.
Ver respuesta
Respuesta correcta: D)had to
A)mustMust has no past form, so it cannot report last week's obligation.
B)have toHave to is present and clashes with the time phrase last week.
C)shouldShould gives advice and does not report what was obligatory.
D)had toHad to is the past form of have to and reports the past obligation.
💡 Explicación
Past obligation is reported with had to. Must lacks a past form, and have to is present, so neither fits last week.
Pregunta 13
Pregunta 13 · D3Bloom: Remember
A child asks a parent for permission to watch television.
___ I watch television now, Mum? Choose the correct modal.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)Can
💡 Explicación
Can I plus the infinitive is the informal way to ask permission. May is more formal, while must, should and would do not request permission.
Ver respuesta
Respuesta correcta: A)Can
A)CanCan asks for permission in an informal way, which suits a child at home.
B)MustMust asks about obligation and cannot request permission to watch TV.
C)ShouldShould asks for advice and does not ask for permission.
D)WouldWould is used in offers and hypotheticals, not in this request.
💡 Explicación
Can I plus the infinitive is the informal way to ask permission. May is more formal, while must, should and would do not request permission.
Pregunta 14
Pregunta 14 · D4Bloom: Understand
The train left an hour ago, so it arrives soon.
The train ___ arrive in a few minutes. Choose the correct modal.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)should
💡 Explicación
Should can express a confident expectation: the train should arrive soon. Must states certainty, which the evidence cannot guarantee.
Ver respuesta
Respuesta correcta: B)should
A)mustMust expresses certainty or obligation, but an arrival time is an expectation.
B)shouldShould expresses a strong expectation based on the schedule, which fits the timing.
C)canCan expresses ability or permission, not a prediction about arrival.
D)mayMay expresses a weaker possibility, while the schedule supports a firm expectation.
💡 Explicación
Should can express a confident expectation: the train should arrive soon. Must states certainty, which the evidence cannot guarantee.
Pregunta 15
Pregunta 15 · D4Bloom: Apply
The exam is optional, so nobody is required to take it.
You ___ take the exam if you do not want to. Choose the correct form.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)don't have to
💡 Explicación
Optional actions use don't have to. Mustn't would ban the exam, can't would make it impossible, and shouldn't would advise against it.
Ver respuesta
Respuesta correcta: C)don't have to
A)mustn'tMustn't forbids taking the exam, but it is allowed and only optional.
B)can'tCan't says it is impossible or not allowed, which is too strong.
C)don't have toDon't have to states that the exam is optional, which matches the context.
D)shouldn'tShouldn't advises against it, but the choice is neutral.
💡 Explicación
Optional actions use don't have to. Mustn't would ban the exam, can't would make it impossible, and shouldn't would advise against it.
Pregunta 16
Pregunta 16 · D3Bloom: Remember
A doctor gives a patient a recommendation about salt.
You ___ eat less salt for your health. Choose the correct form.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)ought to
💡 Explicación
Advice can be given with ought to plus the infinitive: you ought to eat less salt. Must states obligation, while can and may do not advise.
Ver respuesta
Respuesta correcta: D)ought to
A)mustMust states a strong obligation, which is more forceful than medical advice.
B)canCan expresses ability or permission and does not give advice.
C)mayMay expresses permission or possibility and does not recommend anything.
D)ought toOught to expresses advice and is followed by the bare infinitive eat.
💡 Explicación
Advice can be given with ought to plus the infinitive: you ought to eat less salt. Must states obligation, while can and may do not advise.
Pregunta 17
Pregunta 17 · D4Bloom: Analyze
Someone is knocking at the door, and the family is expecting the postman.
That ___ be the postman; he always comes at this time. Choose the correct modal.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: A)must
💡 Explicación
Strong logical deduction is expressed with must: that must be the postman. Can't would deny it, and may would only suggest a weak possibility.
Ver respuesta
Respuesta correcta: A)must
A)mustMust expresses a strong deduction, and the regular time makes the postman very likely.
B)can'tCan't expresses a deduction that something is impossible, the opposite of this evidence.
C)shouldShould gives advice or expectation, not a logical deduction about who it is.
D)mayMay expresses weak possibility, but the evidence supports a strong conclusion.
💡 Explicación
Strong logical deduction is expressed with must: that must be the postman. Can't would deny it, and may would only suggest a weak possibility.
Pregunta 18
Pregunta 18 · D4Bloom: Analyze
He tried hard but was unable to open the jar.
He ___ open the jar, however hard he tried. Choose the correct modal.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: B)couldn't
💡 Explicación
Past inability is couldn't plus the bare infinitive: he couldn't open the jar. Mustn't forbids, shouldn't advises, and needn't says something is unnecessary.
Ver respuesta
Respuesta correcta: B)couldn't
A)mustn'tMustn't expresses prohibition, not an inability to open a jar.
B)couldn'tCouldn't reports the lack of ability in the past, which matches his failed attempt.
C)shouldn'tShouldn't gives advice against the action, not a lack of ability.
D)needn'tNeedn't means it was unnecessary, but he tried and failed.
💡 Explicación
Past inability is couldn't plus the bare infinitive: he couldn't open the jar. Mustn't forbids, shouldn't advises, and needn't says something is unnecessary.
Pregunta 19
Pregunta 19 · D4Bloom: Evaluate
A workplace safety rule is compulsory for every employee.
Every employee ___ wear a helmet in the factory. Choose the correct modal.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: C)must
💡 Explicación
A compulsory safety rule requires must. Should would only advise, and could and might describe possibility, not obligation.
Ver respuesta
Respuesta correcta: C)must
A)shouldShould only recommends the helmet, but the safety rule is compulsory.
B)couldCould expresses possibility or past ability, not a requirement.
C)mustMust expresses the compulsory rule that every employee has to follow.
D)mightMight expresses a weak possibility, not a safety obligation.
💡 Explicación
A compulsory safety rule requires must. Should would only advise, and could and might describe possibility, not obligation.
Pregunta 20
Pregunta 20 · D4Bloom: Evaluate
You may enter the club, but bringing a guest is not allowed.
You ___ bring a guest to the club; entry is for members only. Choose the correct form.
Elige una opción para comprobar tu respuesta.
Respuesta correcta: D)mustn't
💡 Explicación
A prohibition is mustn't: bringing a guest is forbidden. Don't have to would make it optional, and shouldn't would only advise against it.
Ver respuesta
Respuesta correcta: D)mustn't
A)don't have toDon't have to means it is optional, but guests are not permitted at all.
B)shouldn'tShouldn't gives advice, which is weaker than the club's rule.
C)might notMight not expresses a possibility that you will not bring a guest, not a ban.
D)mustn'tMustn't states the prohibition on bringing a guest, which the rule makes clear.
💡 Explicación
A prohibition is mustn't: bringing a guest is forbidden. Don't have to would make it optional, and shouldn't would only advise against it.
¿Listo para practicar?
Resuelve un simulacro de Inglés para Grado 11 con temporizador y seguimiento de tu progreso.